
Originally Posted by
JimmyBones
I would love to see the refresh S5 coupes keep the V8 and have the RS5 get the 4.0T even at the base 420 horsepower if it could beat the M3 but the high output 520 horsepower from the S8 version would blow the doors off the M3s. Just like the B7 RS4s did to the E46 M3s when they came out.
So many people here say the 3.0T makes more power than the 4.2 V8 but the numbers that Audi has posted say the V8 makes 21 more horsepower than the 3.0T. Also both the S4 3.0T and the S5 4.2 have the same 4.9 second 0-60 time posted. The curb weight difference between a S4 and S5 is not the big of a gap either with a manual S5 being 11 pounds heavier and an automatics weigh the same. The V8s are old technology too so most of the bugs have been worked out. We are going to leave the clutches and throw out bearings alone because both cars suffer from the crappy stock clutch design. I still have S4s that come in with stuck thermostats and have replaced a few engines because of it. The S4 Stronics are constantly getting new software to help smooth things out because they have issues and the guy that works next to me has had to replace one because it blew apart with 700 miles. Just food for thought and I love me a V8.
Why you need to replace an engine cause of a stucked thermostat...unless the driver is a complete idiot?
Do I drive a car when I see the coolant temp goes into red?
But back to the V6 or V8 issue:
Finally the V6 will be cheaper to tune....a small software update and the same motor spits maybe 150 more HP out....how long it will do that is another question.
You can do similar tune up on a natuarl aspirated motor as well, but it costs you 20 - 40K$! That is the big difference.
There is nothing better than the decent growl of a V8, but the future is a smal high end tuned motors with low weigth and high rpm....just check the GTR Nissan....blows away most of the super sports cars!
But as everything what is high end and on dope....it will be sensitive....it requires absolute quality...and that is finally the challange.
If Nissan can do it....why not Audi?
Many years before when the Muscle car area started it was taking a big motor and put it in a small car.
Now....it is taking a sporty looking car and put in a high tuned smaller motor on viagra!
Just look at Mercedes...went from a 5.5 compressor to a 6.3 natural aspirated motor.....and?....test show that the 5.5 compressor is the better motor...!
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